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muenchen-strom.pl
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muenchen-strom.pl
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#!/usr/bin/perl
# 2022 [email protected]
# AGPLv3
use strict;
use WWW::Mechanize;
use HTML::Entities;
use HTML::TreeBuilder;
use DateTime::Format::Strptime;
use DateTime::Format::ICal;
use Data::ICal;
use Data::ICal::Entry::Event;
use Data::ICal::Entry::TimeZone;
use Data::ICal::Entry::TimeZone::Daylight;
use Data::ICal::Entry::TimeZone::Standard;
use Time::HiRes;
use Try::Tiny;
use utf8;
use Data::Dumper;
use warnings;
my $url="https://strom-muc.de/";
my $defaultDauer=119; # angenommene Dauer eines Events in Minuten (steht nicht im Programm, wird aber für Kalendereintrag gebraucht)
my $datumFormat=DateTime::Format::Strptime->new('pattern'=>'%d.%m.%Y %H.%M','time_zone'=>'Europe/Berlin');
binmode STDOUT, ":utf8"; # Gegen "wide character"-Warnungen
# convert datetime to DTSTART/DTEND property value
sub dt2icaldt {
my ($dt)=@_;
my $icalformatdt=DateTime::Format::ICal->format_datetime($dt);
if (my ($id,$string)=$icalformatdt=~/^TZID=(.+?):(.+)$/) {
return [ $string, {TZID => $id} ];
}
else {
return $icalformatdt;
}
}
# convert datetime to DTSTART/DTEND property value for allday events
sub dt2icaldt_fullday {
my ($dt)=@_;
return [ $dt->ymd(''),{VALUE=>'DATE'} ];
}
my $mech=WWW::Mechanize->new();
$mech->get($url) or die($!);
my @eventList;
foreach my $eventLink ($mech->find_all_links(url_regex=>qr/${url}event\//)) {
my $event;
# URL
$event->{'url'}=$eventLink->url_abs()->as_string;
# Ort
$event->{'ort'}="Strom, Lindwurmstr. 88, 80337 München";
# Bereits vorhandene überspringen
my $found=0;
foreach my $e (@eventList) {
if ($e->{'url'} eq $event->{'url'}) {
$found=1;
last;
}
}
next if $found==1;
# Event-Seite laden
my $ok=eval { $mech->get($eventLink); }; # sometimes some links are broken
next unless ($ok);
# Tickets
try {
$event->{'tickets'}=$mech->find_link('text'=>'Tickets kaufen')->url_abs()->as_string();
};
my $root=HTML::TreeBuilder->new_from_content($mech->content());
# Titel
$event->{'titel'}=$root->look_down('_tag'=>'h1','class'=>'gdlr-event-title')->as_trimmed_text;
$event->{'titel'}=~s/([\w'’]+)/\u\L$1/g;
# Kategorie
$event->{'kategorie'}=$root->look_down('_tag'=>'div','class'=>'gdlr-event-location')->as_trimmed_text;
$event->{'kategorie'}=~s/([\w'’]+)/\u\L$1/g;
# Beschreibung
try {
$event->{'beschreibung'}=$root->look_down('_tag'=>'div','class'=>'gdlr-event-content')->as_text;
$event->{'beschreibung'}=~s/Der Inhalt ist nicht verfügbar.*?Bitte erlaube Cookies, indem du auf Übernehmen im Banner klickst.//;
# Ersetze Unicode-Linebreaks durch normale
$event->{'beschreibung'}=~s/\R/\n/g;
# Nichtdruckbare Zeichen (^H usw) ausfiltern
$event->{'beschreibung'}=~s/[^[:print:]]+//g;
};
my $infoWrapper=$root->look_down('_tag'=>'div','class'=>'gdlr-event-info-wrapper');
# Datum
try {
my $datum=$infoWrapper->look_down('_tag'=>'div','class'=>'gdlr-info-date gdlr-info',
sub {
$_[0]->as_text=~/^Datum:/
}
)->as_trimmed_text;
$datum=~/Datum: (\d+\.\d+\.\d+)/;
$event->{'datum'}=$1;
};
# Verschoben?
try {
my $verschoben=$infoWrapper->look_down('_tag'=>'div','class'=>'event-status-wrapper',
sub {
$_[0]->as_text=~/^Verschoben auf den/
}
)->as_trimmed_text;
$verschoben=~/Verschoben auf den (\d+\.\d+\.\d+)/;
$event->{'datum'}=$1;
};
# Abgesagt?
next if ($infoWrapper->look_down('_tag'=>'div','class'=>'event-status-wrapper',
sub {
$_[0]->as_text=~/^Abgesagt/i
}
));
# Verlegt?
next if ($infoWrapper->look_down('_tag'=>'div','class'=>'event-status-wrapper',
sub {
$_[0]->as_text=~/^Verlegt/i
}
));
# Ohne Datum kein Kalendereintrag
next unless $event->{'datum'};
# Uhrzeit
try {
my $uhrzeit=$infoWrapper->look_down('_tag'=>'div','class'=>'gdlr-info-time gdlr-info',
sub {
$_[0]->as_text=~/^Uhrzeit:/
}
)->as_trimmed_text;
# "Einlass: HH.MM Uhr / Beginn: HH.MM Uhr"
# "Einlass & Beginn: HH.MM Uhr"
if ($uhrzeit=~/ (\d{1,2})[\.:](\d{1,2}) .*?(\d{1,2})[\.:](\d{1,2}) Uhr/i) {
$event->{'einlass'}=$datumFormat->parse_datetime($event->{'datum'}." ".$1.".".$2);
$event->{'beginn'}=$datumFormat->parse_datetime($event->{'datum'}." ".$3.".".$4);
}
else {
if ($uhrzeit=~/Einlass.*?(\d{1,2})[\.:](\d{1,2}) Uhr/i) {
$event->{'einlass'}=$datumFormat->parse_datetime($event->{'datum'}." ".$1.".".$2);
}
if ($uhrzeit=~/Beginn.*?(\d{1,2})[\.:](\d{1,2}) Uhr/i) {
$event->{'beginn'}=$datumFormat->parse_datetime($event->{'datum'}." ".$1.".".$2);
}
}
$event->{'ende'}=$event->{'beginn'}->clone();
$event->{'ende'}->add(minutes=>$defaultDauer);
if (!$event->{'beginn'}) {
$event->{'beginn'}=$event->{'einlass'}->clone() if ($event->{'einlass'});
}
}
catch {
$event->{'fullday'}=1;
$event->{'beginn'}=$datumFormat->parse_datetime($event->{'datum'}." 00.00");
$event->{'ende'}=$datumFormat->parse_datetime($event->{'datum'}." 23.59");
};
try {
my $veranstalter=$infoWrapper->look_down('_tag'=>'div','class'=>'gdlr-info-time gdlr-info',
sub {
$_[0]->as_text=~/^Veranstalter:/
}
)->as_trimmed_text;
$veranstalter=~s/^Veranstalter: //;
$event->{'veranstalter'}=$veranstalter;
};
# Eintrittspreis
try {
$event->{'preis'}=$infoWrapper->look_down('_tag'=>'div','class'=>'event-status-wrapper',
sub {
$_[0]->as_text=~/EUR/
}
)->as_trimmed_text;
};
push (@eventList,$event);
}
# Create Datestamp for dtstamp
my @stamp=localtime;
my $dstamp = sprintf("%d%02d%02dT%02d%02d%02dZ",
$stamp[5] + 1900,
$stamp[4] + 1,
$stamp[3],
$stamp[2],
$stamp[1],
$stamp[0]);
my $calendar=Data::ICal->new();
$calendar->add_properties(method=>"PUBLISH",
"X-PUBLISHED-TTL"=>"P1D",
"X-WR-CALNAME"=>"Strom",
"X-WR-CALDESC"=>"Veranstaltungen Strom");
# Add VTIMEZONE
my $tz="Europe/Berlin";
my $vtimezone=Data::ICal::Entry::TimeZone->new();
$vtimezone->add_properties(tzid=>$tz);
my $tzDaylight=Data::ICal::Entry::TimeZone::Daylight->new();
$tzDaylight->add_properties(
tzoffsetfrom => "+0100",
tzoffsetto => "+0200",
dtstart => "19700329T020000",
tzname => "CEST",
rrule => "FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU"
);
$vtimezone->add_entry($tzDaylight);
my $tzStandard=Data::ICal::Entry::TimeZone::Standard->new();
$tzStandard->add_properties(
tzoffsetfrom => "+0200",
tzoffsetto => "+0100",
dtstart => "19701025T030000",
tzname => "CET",
rrule => "FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU"
);
$vtimezone->add_entry($tzStandard);
$calendar->add_entry($vtimezone);
my $count=0;
foreach my $event (@eventList) {
# Create uid
my @tm=localtime();
my $uid=sprintf("%d%02d%02d%02d%02d%02d%s%02d\@geierb.de",
$tm[5] + 1900, $tm[4] + 1, $tm[3], $tm[2],
$tm[1], $tm[0], scalar(Time::HiRes::gettimeofday()), $count);
my $description;
if ($event->{'preis'}) { $description.=$event->{'preis'}." \n"; }
if ($event->{'tickets'}) { $description.="Tickets: ".$event->{'tickets'}." \n"; }
if ($event->{'einlass'}) {
$description.="Einlass: ".sprintf("%02d:%02d Uhr",$event->{'einlass'}->hour,$event->{'einlass'}->minute)." \n";
}
$description.=" \n".$event->{'beschreibung'}."\n";
if ($event->{'veranstalter'}) {
$description.=" \n Veranstalter: ".$event->{'veranstalter'}." \n";
}
my $eventEntry=Data::ICal::Entry::Event->new();
$eventEntry->add_properties(
uid=>$uid,
summary => $event->{'titel'},
description => $description,
categories => $event->{'kategorie'},
dtstart => ($event->{'fullday'}) ? dt2icaldt_fullday($event->{'beginn'}) : dt2icaldt($event->{'beginn'}),
dtend => ($event->{'fullday'}) ? dt2icaldt_fullday($event->{'ende'}) : dt2icaldt($event->{'ende'}),
dtstamp=>$dstamp,
class=>"PUBLIC",
organizer=>"MAILTO:foobar",
location=>$event->{'ort'},
url=>$event->{'url'},
);
$calendar->add_entry($eventEntry);
$count++;
}
die("Keine Einträge") if ($count==0);
print $calendar->as_string;